3938485418 has 24 divisors (see below), whose sum is σ = 6992555232. Its totient is φ = 1629713232.

The previous prime is 3938485363. The next prime is 3938485451. The reversal of 3938485418 is 8145848393.

It is a Smith number, since the sum of its digits (53) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 3938485418.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 155480 + ... + 179027.

It is an arithmetic number, because the mean of its divisors is an integer number (291356468).

Almost surely, 2^3938485418 is an apocalyptic number.

3938485418 is a deficient number, since it is larger than the sum of its proper divisors (3054069814).

3938485418 is a wasteful number, since it uses less digits than its factorization.

3938485418 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 334574 (or 334545 counting only the distinct ones).

The product of its digits is 3317760, while the sum is 53.

The square root of 3938485418 is about 62757.3534974189. The cubic root of 3938485418 is about 1579.2216186792.

The spelling of 3938485418 in words is "three billion, nine hundred thirty-eight million, four hundred eighty-five thousand, four hundred eighteen".